Tap Collet holder with tension and compression stroke compensation for ER collets and cylindrical shank at choice
In stock
Only %1 left
SKU
CA-DPM.ERC
As low as
€233.76
Regular Price
€292.20
(Incl. Tax: €285.19)
(Incl. Tax: €285.19)
The tap holder with tension and compression compensation ensures a precise internal threading without the risk of tap breakage. It corrects synchronization errors between the spindle and the CNC axis, improving the lifespan and quality of the tapping process. Used in automotive, aerospace, and precision mechanics, it is suitable for ferrous materials and alloys. Manufactured according to DIN ISO 15488 (DIN 6499) standards, it guarantees high precision and reliability.

The dimensions in the drawing correspond to the selected product; the images shown are indicative and not to scale.

The dimensions in the drawing correspond to the selected product; the images shown are indicative and not to scale.
| ER Collet Size | Compression Stroke C | Tension Stroke T | Tapping Range | Shank Clamping Diameter | Supplied with Nut |
| ER11 | 2.5 | 5.5 | M3 ÷ M10 Max shank Ø7mm |
From Ø1 to Ø7mm | HEX CH17 |
| ER16 | 2.5 | 5.5 | M3 ÷ M12 Max shank Ø10mm |
From Ø3.5 to Ø10mm | HEX CH25 |
| ER20 | 3 | 9 | M3 ÷ M16 Max shank Ø12mm |
From Ø3.5 to Ø12mm | HEX CH30 |
| ER25 * | 4 | 12 | M3 ÷ M20 Max shank Ø16mm |
From Ø3.5 to Ø16mm | STANDARD ER25 |
| ER32 | 4 | 12 | M3 ÷ M27 Max shank Ø20mm |
From Ø3.5 to Ø20mm | STANDARD ER32 |
* Only for item code D20PM.L46.ERC25
Compression Stroke C: 3mm
Tension Stroke T: 9mm
Compression Stroke C: 3mm
Tension Stroke T: 9mm
The tap holder with tension and compression compensation allows for a perfect internal thread without risking tap breakage. During threading, to avoid tap breakage, increase the tap's lifespan, and achieve precise threading, the compensating tap holder can compensate for tracking errors and synchronization between the main spindle axis and the front axis of the CNC tapping. It can also be used on single and multi-spindle cam automatic machines; in this case, the compensation ensures precise thread positioning, which is performed with the cam, preventing chipping of the tap and significantly increasing its lifespan. The compensating tap holder is also used for tapping operations on all ferrous materials, low and high carbon steels, copper alloys, aluminum, and aluminum alloys.
The tap holder is widely used in various manufacturing industries, including automotive, aerospace, precision mechanics, and industrial machinery production. Thanks to its compensation capability, it is particularly useful for high-speed machining, improving thread quality and tool lifespan.
It is used by CNC operators, mechanical processing companies, industrial component manufacturers, and workshops specializing in precision threading. Its application extends to both automated production environments and specialized machining on materials of varying hardness. Its versatility makes it an essential component for optimizing production processes and reducing maintenance costs of cutting tools.
- Brand:
- GAETANO CAPORALI
- Typology:
- Tapping chuck